A mutant strain with deletions of all feeding proteases and the three major protein quality control proteases ([[gene|76FA52D5A5F9FCA14BA9B45872FE3D99D89B211B]], [[gene|796216BE9CD6DADFEADC29497253C81BF496A2ED]], [[gene|DC0FDCA3FA6742B023E6877CE9554AA1D47012BB]]) (BRB14) is available in [SW|Colin Harwood]'s lab [PubMed|24115457]